SE K800i Flickring Display while Outgoing and incoming calls

My SE K800i Shows Flickering white lines while making calls and receiveing calls. And while having a talk the display goes white and cant see anuthing. I have to switch off the set and on againg for having the display back. What is the cause and what do i have to do to make it work properly

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Related Questions:

Does it do with all outgoing numbers or just one?
Sounds like there is a fault with your line. There is a setting at the exchange that bars outgoing calls. Phone your service provider and ask them to check the line and the settings.

sir is it blinks with white screen only or blinks with white screen then shut down?-if the phone can receive/send text and mms messages while the incoming and outgoing calls become shut down,i think you need to replace the battery because it is weak.use only original battery.-and if it is blink with white screen only try to reset all settings or reformat your phone,if not work hardware problem go to repair shop.

Hi,
Please make sure your outgoing and incoming calls are not barred.
go to settingsgo to call settingsgo to call barringand check the status of your outgoing and incoming calls.
There is also a line 1 and line 2 facility. Make sure you are using Line 1

Friend i think u r cell phone setting are mess up so please go to ur cell phone setting and go to security and then try to find restriction menu and then turn of it if u find it then u got three options likeoutgoing call incoming callmessege phone book restriction

Use this menu to access network services. Please
contact your service provider to check their availability and subscribe to them, if you wish.

This network service allows you to restrict your calls.
1. Select a call barring option:
• All outgoing: prohibit outgoing calls.
• International: prohibit international calls.
• International except home: only allow calls
to numbers within the current country when
you are abroad, and to your home country.
• All incoming: prohibit incoming calls.
• Incoming while abroad: prohibit incoming
calls when you use your phone outside of your
home country.
• Cancel all: cancel all call barring settings,
allowing to be sent and received normally.
• Change barring password: change the call
barring password obtained from your service
provider.
2. Select the type of calls to be barred.
This network service allows you to restrict your calls.
1. Select a call barring option:
• All outgoing: prohibit outgoing calls.
• International: prohibit international calls.
• International except home: only allow calls
to numbers within the current country when
you are abroad, and to your home country.
• All incoming: prohibit incoming calls.
• Incoming while abroad: prohibit incoming
calls when you use your phone outside of your
home country.
• Cancel all: cancel all call barring settings,
allowing to be sent and received normally.
• Change barring password: change the call
barring password obtained from your service
provider.
2. Select the type of calls to be barred.

if you have any queries about your mobile..you can have a look at this user manual which can be downloaded from